Motor Trend collects 9 of the world's best supercars/sportscars to see who's the fastest. The cars include the Lamborghini Aventador, Nissan GT-R Black Edition, Ford Shelby GT500, McLaren MP4-12C, Jaguar XKR-S, Porsche 911 Carrera S, Subaru BRZ, Mercedes-Benz C63 AMG Black Series and Chevrolet Camaro ZL1.
